A force of 1 N accelerates a mass of 1 kg at the rate of 1 m/s2. The acceleration of a mass of 2 kg acted upon by a force of 2 N is
A) half as much.
B) twice as much.
C) the same.
D) none of the above
C
Environmental & Atmospheric Sciences
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A package falls off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is
A) zero. B) less than 30 m/s but larger than zero. C) about 30 m/s. D) more than 30 m/s. E) more information needed for an estimate
Environmental & Atmospheric Sciences
Earth experiences ice ages partly because there are variations in Earth's
A) greenhouse gas levels. B) sea level. C) seismic activity. D) tilt and orbit.
Environmental & Atmospheric Sciences
Electricity generation through urban waste incineration is an example of ________ power generation
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
Surface waves are the fastest earthquake waves.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences